Gaya APA
Sutrisna, E. (2013).
Strive for excelent : be the best do the best have the best = gapailah kesempurnaan .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Sutrisna, Ellies.
"Strive for excelent : be the best do the best have the best = gapailah kesempurnaan".
Jakarta:
Gramedia Pustaka Utama,
2013.
Text.